Answer:
x=-12, y = 8
Step-by-step explanation:
-x-y=4
x+2y=4
Add these two equations together to eliminate x
-x-y=4
x+2y=4
-----------------
y=8
Now we need to find x
x+2y =4
Substitute y in
x +2(8) =4
x+16 =4
Subtract 16 from each side
x+16-16 =4-16
x=-12
